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Acid rain is any rain that has a pH of _______ or lower.A. 4.9B. 5.6C. 7D. 8.3
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Acid rain is any rain that has a pH of _______ or lower.A. 4.9B. 5.6C. 7D. 8.3

User Imagreenplant
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The correct answer is A. 4.9. Acid rain ranges from 4.2 to 4.4, therefore the closest answer is A.

User George Vardikos
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